Cisco Security Advisory
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CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H/E:X/RL:X/RC:X
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A vulnerability in an internal API of the Cisco Meeting Server (CMS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected appliance.
The vulnerability is due to invalid data being received on a specific port. An attacker could exploit this vulnerability by sending crafted packets to a specific port on the device. Successful exploitation could cause the CMS to crash.
There are workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-cms
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There are workarounds that address this vulnerability. The firewall functionality of the CMS can be leveraged to block external access to port 2829.
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For information about fixed software releases, consult the Cisco bug ID(s) at the top of this advisory.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial public release. — Final 2017-February-15
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